申请人:Tao Linggang
公开号:US09024064B2
公开(公告)日:2015-05-05
A process for preparing a pure alanylglutamine comprises the steps of: 1) reacting N-(α-chloro)-propionyl-glutamine and hydrazine compound to obtain an alanylglutamine crude product; 2) mixing anhydrous methanol and the alanylglutamine crude product to provide a filter cake; 3) dissolving the filter cake in water, heating, adding ethanol, and cooling to yield the pure alanylglutamine.
制备纯的丙氨酰谷氨酰胺的过程包括以下步骤:1)反应N-(α-氯代)-丙酰基谷氨酰胺和肼化合物以获得丙氨酰谷氨酰胺粗品;2)混合无水甲醇和丙氨酰谷氨酰胺粗品以提供过滤饼;3)将过滤饼溶解在水中,加热,加入乙醇,冷却以产生纯的丙氨酰谷氨酰胺。